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# 7. Containers

7.1 Lists |  |
7.2 Cell Arrays |  |

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## 7.1 Lists

Built-in Function: list (a1, a2, ...)
  Create a new list with elements given by the arguments a1, a2, ....

Built-in Function: nth (list, n)
  Return the n-th element of list.

Built-in Function: append (list, a1, a2, ...)
  Return a new list created by appending a1, a1, ..., to list. If any of the arguments to be appended is a list, its elements are appended individually. For example,

      x = list (1, 2);
      y = list (3, 4);
      append (x, y);

  results in the list containing the four elements ``(1 2 3 4)`', not a list containing the three elements ``(1 2 (3 4))`'.

Built-in Function: reverse (list)
  Return a new list created by reversing the elements of list.

Built-in Function: splice (list_1, offset, length, list_2)
  Replace length elements of list_1 beginning at offset with the contents of list_2 (if any). If length is omitted, all elements from offset to the end of list_1 are replaced. As a special case, if offset is one greater than the length of list_1 and length is 0, splice is equivalent to `append (list_1, list_2)`.

Built-in Function: islist (x)
  Return nonzero if x is a list.

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## 7.2 Cell Arrays

Built-in Function: cell (x)
Built-in Function: cell (n, m)
  Create a new cell array object. If invoked with a single scalar argument, `cell` returns a square cell array with the dimension specified. If you supply two scalar arguments, `cell` takes them to be the number of rows and columns. If given a vector with two elements, `cell` uses the values of the elements as the number of rows and columns, respectively.

Built-in Function: cellstr (string)
  Create a new cell array object from the elements of the string array string.

Built-in Function: iscell (x)
  Return true if x is a cell array object. Otherwise, return false.

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This document was generated by John W. Eaton on May, 18 2005 using texi2html